<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>LayerGroups Demo</title>
    <link rel="stylesheet" href="lib/leaflet/leaflet.css" />
    <script src="lib/leaflet/leaflet.js"></script>
    <script src="javascript/layerGroups.js"></script>
    <style>
        #map{
            height: 500px;
            width: 700px;
        }
    </style>
</head>
<body onload="init()">
<div id="map"></div>
</body>
</html>